I had a Xs and went to a Xs Max. Shot a ton of portrait mode pics with the Xs when I had it and was super impressed. Now that I have the Max, I'm a little underwhelmed. I could be losing my mind but to me, there's a difference and the Xs is better. With the Xs, I'd always push the f/ stop to a faster setting with great results. With the Max, I find myself going the opposite way and the I'm getting mixed results at the default setting of f/4.5 (background separation is a bit sloppy, not as defined). Anyone else notice this or I need to get my head examined?